/Engine/Plugins/Animation/IKRig/Source/IKRig/Public/ActorComponents/IKRigInterface.h
Add your own goals to the OutGoals map (careful not to remove existing goals in the map!)
[UFUNCTION](Programming/UnrealArchitecture/Reference/Functions)(BlueprintCallable, BlueprintNativeEvent, Category=IKRigGoals) void AddIKGoals ( [TMap](API\Runtime\Core\Containers\TMap)< [FName](API\Runtime\Core\UObject\FName), [FIKRigGoal](API\Plugins\IKRig\Rig\FIKRigGoal) > & OutGoals )